login
A125656
Column 3 of triangle A125653; also equals the eigensequence of the matrix cube of A125653.
6
1, 1, 4, 13, 47, 195, 908, 4674, 26327, 160825, 1057575, 7440520, 55714863, 442052441, 3701932760, 32610988520, 301289654059, 2911657603468, 29363468538215, 308365818949091, 3365801354839753, 38117461277764685
OFFSET
0,3
COMMENTS
Column k of triangle A125653 equals the eigensequence of matrix power A125653^k for k>=0.
FORMULA
a(n) = A125653(n+3,3) = Sum_{k=0..n-1} [A125653^3](n-1,k)*a(k) for n>0 with a(0)=1.
CROSSREFS
Cf. A125653 (triangle); rows: A125654, A125655, A125657; A125658 (row sums); A125659 (central terms).
Sequence in context: A078468 A354339 A149443 * A279159 A351509 A149444
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Nov 30 2006
STATUS
approved